Does CB2 flood?

Yes — parts of the CB2 district carry real flood risk: 15 of its 29 at-risk postcodes reach the Environment Agency's High likelihood band. The CB2 postcode district covers Trumpington, Market, Newnham, Petersfield, close to Cambridge, Grantchester, Haslingfield, and surrounding villages in Cambridgeshire.

29 postcodes in the CB2 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 15 high, 6 medium, 8 low. A postcode not listed here has no properties in any recorded risk band (which is good news, but never proof it cannot flood).

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Which CB2 postcodes are at risk?

Rivers and flooding history near CB2

The rivers that matter here, each monitored live on FloodRadar:

Bin Brook on the Bin Brook — 2.3 km away, highest on record 2.12m
Cambridge Byron's Pool on the River Rhee — 3 km away, highest on record 1.63m
HASLINGFIELD BURNT MILL GS — 6 km away
Haslingfield Burnt Mill on the River Rhee — 6 km away, highest on record 1.45m

179 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (17 at warning level or above), most recently 16 February 2026. Warnings cover flood areas, not individual addresses.

Recorded flood extents near the district (Environment Agency record):

October 2001 (2001) — about 3.9 km from the centre
October 2001 (2001) — about 4.4 km from the centre
May 1978 (1978) — about 1.7 km from the centre
September 1968 (1968) — about 4 km from the centre

Records, not floods: no outline on the record is not evidence a place has not flooded.

🏠 Buying or renting in CB2? The full property flood-risk report covers any postcode here — the official likelihood band, every recorded flood nearby with distances, warning history year by year, how the local rivers behave, and an insurance outlook, print-ready for £19. See what's in the report →

Flood risk in nearby postcode districts

CB1 CB3 CB4 CB5 CB6 CB7 CB8 CB9

Band = the worst likelihood band of any property in that postcode (EA Risk of Flooding from Rivers & Sea, defence-adjusted, area-level). Check any postcode in detail — or get the full £19 property report — at the property flood-risk report. © Environment Agency copyright and/or database right 2025. All rights reserved. Some features of this map are based on digital spatial data from the Centre for Ecology & Hydrology, © NERC (CEH). © Crown Copyright and Database Rights 2025 OS AC0000807064. This product is produced in part from PAF® and Multiple Residence Data, the copyright in which is owned by Royal Mail Group Limited and/or Royal Mail Group plc. All rights reserved. Licence number AC0000807064.